Keithley 2700 Service Manual

Calibration Reference B-5
:INIT
(:CALibration:PROTected:INITiate)
Purpose To initiate comprehensive and factory calibration procedures.
Format :cal:prot:init
Parameter None
Description The :INIT command enables Model 2700 calibration when performing
these procedures over the bus. This command must be sent to the unit after
sending the :CODE command, but before sending any other calibration
command.
NOTE The :INIT command should be sent only once before performing either DC, AC, or
factory calibration. Do not send :INIT before each calibration step.
Example :CAL:PROT:INIT Initiate calibration.
:LOCK
(:CALibration:PROTected:LOCK)
Purpose To lock out comprehensive or manufacturing calibration.
Format :cal:prot:lock
Parameter None
Description The :LOCK command allows you to lock out both comprehensive and man-
ufacturing calibration after completing those procedures. Thus, :LOCK per-
forms the opposite of enabling calibration with the :CODE command.
NOTE To unlock comprehensive calibration, send the :CODE command. To unlock manu-
facturing calibration, hold in the OPEN key while turning on the power.
Example :CAL:PROT:LOCK Lock out calibration.

Keithley 2700 Specifications

General

Type	Digital Multimeter
Measurement Functions	DC Voltage, AC Voltage, DC Current, AC Current, Resistance, Frequency, Temperature
DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
Frequency Range	3 Hz to 500 kHz
Temperature Range	-200°C to +1372°C
Display	Vacuum Fluorescent Display
Connectivity	IEEE-488, RS-232
Channels	10
Power Supply	100V to 240V AC, 45Hz to 66Hz
DC Current Range	10 µA to 3 A
AC Current Range	10 µA to 3 A
Temperature Measurement	Thermocouple, RTD